Our heroes in immunity! Protecting you to the end!

B cell grows and lives in the bone marrow.

As the B cell develops, it takes on a specific look.

The B cell mainly spends its days hanging around with T cells in the blood and lymph.

Then one day, Mr Specific Antigen arrives… I pity the fool!

The B cells starts proliferating by mitosis.

…Some B cells differentiate into long-lived memory cells.

…Some B cells differentiate into long-lived plasma cells.

These plasma cells secrete antibodies to attack Mr Antigen. Quit your jibber jabber!

This graph shows the changes in antibody concentration in the blood during primary and secondary response.

The End